.main, .bottom {
    width: 980px;
    margin: 10px auto 0px;
}

.bottom {
    margin-bottom: 50px;
}

.title {
    font-size: 20px;
    font-weight: bold;
}

.single_points {
    font-size: 20px;
}

.single_points input {
    width: 100px;
}

#single_questions, #multi_questions, #judge_questions {
    margin-left: 30px;
}

.single_question, .multi_question, .judge_question {
    margin-top: 20px;
}

/*单选题表单*/
.question_table {
    height: 220px;
    width: 450px;
}

/*判断题表格*/
.judge_question_table {
    height: 100px;
    width: 400px;
}

.btns {
    text-align: center;
    margin-top: 10px;
}

.setting_table {
    margin-top: 20px;
    margin-left: 20px;
    height: 120px;
}

/*题库*/
#question_bank {
    width: 350px;
    height: 200px;
}

.error {
    font-size: 12px;
    color: red;
}

/*题目列表*/
.questions_area {
    text-align: center;
    overflow-x: false;
    overflow-y: auto;
    height: 100px;
    border-bottom: 1px solid #E8E8E8;
}

.questions_area ul {
    list-style: none;
    margin: 0px;
    padding: 0px;
}